@article{GDZPPN001262092, title = {Non autonomous evolution operators of hyperbolic type.}, journal = {Semigroup forum}, volume = {44}, year = {1992}, pages = {302-321}, zbl = {0791.47040}, url = {http://dml.mathdoc.fr/item/GDZPPN001262092} }
Da Prato, G.; Sinestrari, E. Non autonomous evolution operators of hyperbolic type.. Semigroup forum, Tome 44 (1992) pp. 302-321. http://gdmltest.u-ga.fr/item/GDZPPN001262092/